InChI=1/C27H34N2O8/c1-14(2)15(3)25(34)29-26(35)23(33)21(31)22(32)24(37-17-10-5-4-6-11-17)27(36)28-20-18-12-8-7-9-16(18)13-19(20)30/h4-12,14-15,19-24,30-33H,13H2,1-3H3,(H,28,36)(H,29,34,35)/t15-,19-,20-,21+,22+,23+,24+/m0/s1/f/h28-29H 3897A40D82013CDC